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Science News Archive 2021 - Page 82


Page 82 of 510

New discovery about diabetes may reduce the risk of organ failure

Researchers at Aarhus University identify how type 2 diabetes alters skeletal muscle stem cells, forming fat and scar tissue that can lead to organ failure. Treatment with metformin may reduce this process, offering new hope for managing the disease's complications.

SourceAarhus University·JournalCell Metabolism·TypeRandomized controlled/clinical trial·DateOct 25, 2021

Community COVID-19 infections before, after NCAA march madness tournament

A recent study reveals that social gatherings among unvaccinated students during the 2021 NCAA March Madness basketball tournament led to increased COVID-19 infections in a university community. The research, published in JAMA Network Open, suggests that these gatherings occurred eight days after the final game.

SourceJAMA Network·JournalJAMA Network Open·DateOct 25, 2021

White flight may still enforce segregation

Research finds that white Americans perceive a threat to their culture when presented with changing demographics in hypothetical neighborhoods and schools. This perception fuels fears of foreign cultural threat from racial and ethnic minorities, contributing to the persistence of segregation.

SourceAmerican Psychological Association·JournalJournal of Experimental Psychology·DateOct 25, 2021

Lowering blood insulin levels could lower your risk of getting COVID-19

Researchers from Osaka University found that SARS-CoV-2 binds to a cell-surface protein whose expression is promoted by high blood insulin levels in older, obese, and diabetic individuals. Regulating blood insulin levels may help lower COVID-19 risk by reducing GRP78 expression.

SourceOsaka University·JournalDiabetes·TypeExperimental study·DateOct 25, 2021
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Sharpest images ever reveal the patchy face of living bacteria

Researchers have recorded the sharpest images of living bacteria, revealing a complex architecture that makes them harder to kill by antibiotics. The study found that bacteria with protective outer layers may have stronger and weaker spots on their surface.

SourceUniversity College London·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateOct 25, 2021

Brainstem pathway modulates pain in placebo effect

A new study found that the brainstem plays a key role in modulating pain signals in the spinal cord based on expectations, with increased activity linked to the placebo effect and decreased activity to the nocebo effect.

SourceSociety for Neuroscience·JournalJNeurosci·DateOct 25, 2021

Deterioration of brain cells in Parkinson’s disease is slowed by blocking the Bach1 protein, preclinical study shows

A preclinical study found that blocking the Bach1 protein slowed brain cell deterioration in Parkinson's disease. The researchers identified a potent inhibitor of Bach1 called HPPE, which protected cells from inflammation and oxidative stress, and showed promise as a potential therapeutic target.

SourceMedical University of South Carolina·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateOct 25, 2021

Seagrass restoration study shows rapid recovery of ecosystem functions

A new study published in Ecological Applications demonstrates rapid expansion of restored eelgrass plots and recovery of ecosystem functions, providing improved habitat for fish and invertebrates. The study shows that restored plots can recover near or at the level seen in natural eelgrass meadows within a few years.

SourceUniversity of California - Santa Cruz·JournalEcological Applications·TypeExperimental study·DateOct 25, 2021
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Scientists make breakthrough in understanding how penicillin works

Researchers revealed that β-lactam antibiotics like penicillin kill MRSA by forming small holes in the cell wall, which gradually enlarge and lead to bacterial death. This discovery provides new avenues for treatment developments against antibiotic-resistant superbugs.

SourceUniversity of Sheffield·JournalProceedings of the National Academy of Sciences·DateOct 25, 2021

Aquatic fungus has already wiped amphibians off the map and now threatens survival of terrestrial frogs

A study in the Atlantic Rainforest detected high mortality rates among tiny frogs known as pumpkin toadlets infected with the chytrid fungus. The infection causes a physiological imbalance leading to death from a heart attack. Climate change and drought may exacerbate the threat to terrestrial amphibians.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalBiological Conservation·DateOct 25, 2021

Call-and-response circuit tells neurons when to grow synapses

A team of scientists led by Associate Professor Nicola Allen found that astrocyte signaling is directly related to each stage of neuronal development. The researchers determined that astrocytes respond to neurotransmitters produced by neurons to control the timing of signal production, instructing neuronal growth and development.

SourceSalk Institute·JournaleLife·DateOct 25, 2021

Marijuana vaping among adolescents

A review and meta-analysis of 17 studies found a significant increase in cannabis vaping among adolescents in the US and Canada. The study reported nearly 200,000 participants, with a doubling of reported vaping prevalence over the eight-year period.

SourceJAMA Network·JournalJAMA Pediatrics·DateOct 25, 2021
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

COVID-19 immunity in young Swedish adults investigated

A study of young Swedish adults found that over one in four had SARS-CoV-2-specific antibodies, but fewer had measurable levels of memory B and T cells compared to other age groups. The researchers will continue to study long COVID and vaccination effects on immunity.

SourceKarolinska Institutet·JournalJournal of Allergy and Clinical Immunology·DateOct 25, 2021

COVID-19: Does having received the BCG vaccine as a child provide a protective effect?

A Quebec research team conducted the first-ever study to examine the long-term protective effect of the BCG vaccine against COVID-19. Despite previous studies suggesting a correlation between childhood vaccination status and lower mortality rates, the researchers found no long-term protective effect of BCG against COVID-19.

SourceInstitut national de la recherche scientifique - INRS·JournalVaccine·TypeCase study·DateOct 25, 2021

Researchers discover a way to increase the effectiveness of antibiotics

A new research discovery at Monash University has found a way to make antibiotics more effective against 'superbugs' by attaching chemoattractants to antibiotics, enabling the recruitment of immune cells and improving killing ability. The findings have shown a 2-fold increase in effectiveness with lower doses.

SourceMonash University·JournalNature Communications·TypeExperimental study·DateOct 25, 2021
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Use of stimulants in older adults associated with higher risk for cardiovascular events in first month

A study by University of Toronto researchers found that using prescription stimulant medications increased the risk of cardiovascular events by 40% in older adults within the first 30 days. The risk was highest during initial use, but decreased over time as patients stopped taking the medication.

SourceUniversity of Toronto - Leslie Dan Faculty of Pharmacy·JournalJAMA Network Open·DateOct 25, 2021

Redefining human diseases through the lens of your DNA

Researchers at Osaka University analyzed data from over 200 health-related traits and diseases in an Asian population to identify specific genomic loci related to medical indications. The study found 14,000 genomic loci of phenotypic significance, including 5,000 novel discoveries.

SourceOsaka University·TypeData/statistical analysis·DateOct 25, 2021

That primate’s got rhythm!

A study on a critically endangered primate species has discovered categorical rhythms in its songs, similar to those found in human music. The researchers recorded indri songs over a period of twelve years and found both 1:1 and 1:2 rhythmic categories, as well as ritardando effects.

SourceMax Planck Institute for Psycholinguistics·JournalCurrent Biology·DateOct 25, 2021

‘Nanozyme’ therapy prevents harmful dental plaque build-up

A study by the University of Pennsylvania and Indiana University found that a nanozyme therapy, combining ferumoxytol and hydrogen peroxide, significantly reduced the buildup of harmful dental plaque and targeted bacteria responsible for tooth decay. The treatment effectively killed Streptococcus mutans bacteria while leaving other ora...

SourceUniversity of Pennsylvania·JournalNano Letters·TypeRandomized controlled/clinical trial·DateOct 25, 2021
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

BICEP3 tightens the bounds on cosmic inflation

The BICEP3 experiment has ruled out several popular inflation models, including some motivated by string theory. The findings suggest that the correct model will be slightly more complicated than those ruled out, but still offer a wide range of viable alternatives.

SourceDOE/SLAC National Accelerator Laboratory·JournalPhysical Review Letters·TypeObservational study·DateOct 25, 2021

Tiny microscopic hunters could be a crystal ball for climate change

Researchers at Duke University used mini ecosystems to test the effects of warming on bacteria-eating protists. They found that simple measurements of species traits could predict their response to temperature, shedding light on how climate change will alter microbial communities and influence the pace of global warming.

SourceDuke University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateOct 25, 2021

Interactive floor system makes tracks in encouraging children’s play

Researchers developed an interactive system using floor projections that respond to the player's movements to encourage children's imagination and engagement. The system was evaluated in a study, revealing that unrealistic interactions stimulate children's imaginations more than realistic interactions.

SourceKobe University·JournalInternational Journal of Child-Computer Interaction·TypeExperimental study·DateOct 25, 2021

Groundbreaking electroceutical research on spleen function

Researchers developed a graphene-based electrode, the sutrode, to modulate spleen function and immune response in diseases like rheumatoid arthritis and sepsis. The device can control different terminal nerves, increasing precision in organ function regulation.

SourceUniversity of Houston·JournalNature·DateOct 25, 2021
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Superconductivity: New tricks for finding better materials

Researchers at TU Wien have successfully explained the electronic structure of nickelates, a new class of superconductors. By comparing theory and experiment, they determined important parameters of these materials, paving the way for improving their superconductivity at higher temperatures.

SourceVienna University of Technology·JournalPhysical Review X·TypeData/statistical analysis·DateOct 25, 2021

New synthesis process paves way for more efficient lasers, LEDs

Researchers at North Carolina State University have developed a new synthesis process that increases the number of holes in p-type III-nitride semiconductor materials, leading to more efficient LEDs and lasers. This breakthrough could also help address the long-lasting problem called the 'green gap' in LED technology.

SourceNorth Carolina State University·JournalApplied Physics Letters·TypeExperimental study·DateOct 25, 2021

Metabolic memory plays a key role in breast cancer relapse

A study published in Molecular Systems Biology reveals that tumour cells resistant to treatment exhibit 'metabolic and epigenetic memory' of the tumour state. This finding highlights the importance of glycolysis in sustaining cellular metabolism and provides a potential therapeutic target for preventing breast cancer recurrence.

SourceEMBO·JournalMolecular Systems Biology·TypeData/statistical analysis·DateOct 25, 2021
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Neutron star collisions are “goldmine” of heavy elements, study finds

Researchers at MIT and UNH find that binary neutron star mergers produce two to 100 times more heavy metals than neutron star-black hole mergers. The study suggests that binary neutron stars are a likely cosmic source for gold, platinum, and other heavy metals.

SourceMassachusetts Institute of Technology·JournalThe Astrophysical Journal Letters·DateOct 25, 2021

Ferritin-based nanomedicine developed for targeted leukemia therapy

Researchers have developed a ferritin-based nanomedicine that targets diverse leukemia types, improving therapeutic efficacy and reducing toxicity. The nanomedicine delivers arsenic to leukemia cells, enhancing killing effects while minimizing harm to normal tissues.

SourceChinese Academy of Sciences Headquarters·JournalNature Nanotechnology·DateOct 25, 2021

March Madness: Researcher sees temporary increase in COVID-19 cases in counties where universities played in NCAA Tournament

A new analysis by a researcher at Beth Israel Deaconess Medical Center found a link between large gatherings of unvaccinated county residents and an increase in COVID-19 infections in university communities. The study suggests that vaccinations, surveillance testing, or mitigation measures are essential to reduce the spread of COVID-19...

SourceBeth Israel Deaconess Medical Center·JournalJAMA Network Open·TypeData/statistical analysis·DateOct 25, 2021

VUB-researchers identify interglobular dentine in cremated human teeth

Researchers at VUB have detected vitamin D deficiency in cremated human remains through the analysis of interglobular dentine. This innovation allows for the identification of past populations' exposure to sunlight and daily activities, shedding new light on environmental and sociocultural factors influencing health.

SourceVrije Universiteit Brussel·JournalScientific Reports·TypeExperimental study·DateOct 25, 2021
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Social determinants of health provide better understanding of brain vulnerability to delirium

A Hebrew SeniorLife study provides a novel framework for understanding the social determinants of health that influence the development of delirium in older adults. The framework identifies environmental, historical, and social variables that may protect against or precipitate delirium.

SourceHebrew SeniorLife Hinda and Arthur Marcus Institute for Aging Research·JournalJournal of the American Geriatrics Society·TypeLiterature review·DateOct 25, 2021

Structured management protocols help firms thrive

Using data from over 353 million unique observations, researchers found that companies with structured management practices attracted top-flight managers and were able to keep talented workers. This suggests that better-managed firms are growing in terms of employment, and that these firms can influence the entire labor market.

SourceCornell University·JournalManagement Science·DateOct 25, 2021
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Nature article: SARS-CoV-2 disrupts timing of immune response

Researchers discovered that SARS-CoV-2 causes an early release of the immune-dampening TGFβ messenger, disrupting the innate immune response. This disruption impairs natural killer cells' ability to eliminate virus-infected cells, leading to severe disease.

SourceCharité - Universitätsmedizin Berlin·JournalNature·DateOct 25, 2021

University of Surrey research discover links to Bernard Williams’ 40-year-old “slosh” hypothesis

A computer model developed by the University of Surrey researchers supports Bernard Williams' 40-year-old hypothesis that pressure changes cause fluid in the cavity to 'slosh', generating stress in the spinal cord tissue. The study shows that this process can lead to small cavities gradually expanding down the spinal cord.

SourceUniversity of Surrey·JournalLife·TypeComputational simulation/modeling·DateOct 25, 2021
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Optical superoscillation for nanoimaging and nanometrology

Researchers explored superoscillations for nanoimaging and nanometrology, achieving subwavelength focusing and imaging beyond the traditional diffraction limit. This technology combines with deep learning algorithms to increase resolution and accuracy in micro-nano displacement detection.

SourceUniversity of Science and Technology of China·JournalNature Reviews Physics·TypeSystematic review·DateOct 25, 2021

University of Surrey maps path to carbon neutrality

The University of Surrey has published a paper outlining its plan to reduce absolute carbon emissions by 46% over the next decade and achieve Net-Zero. The paper provides guidance on how other universities can apply the Science-Based Targets Initiative (SBTi) and offers ideas for financing emission reduction pathways.

SourceUniversity of Surrey·JournalSustainability·TypeCase study·DateOct 25, 2021

High-dose radiation thwarts tumor growth in patients with advanced lung cancer

A new study finds that high-dose radiation therapy can lengthen progression-free survival for people with advanced lung cancer when systemic therapy has not fully halted tumor growth or spread. Stereotactic body radiation therapy (SBRT) shows promise in treating oligoprogressive, metastatic lung and breast cancer.

SourceAmerican Society for Radiation Oncology·DateOct 25, 2021

Genes may affect the level of harmful bacterial toxins in the bloodstream

A recent study has discovered genetic markers associated with high levels of lipopolysaccharide (LPS) in the blood, a toxin linked to sepsis and cardiovascular diseases. The research also found a connection between LPS levels and blood coagulation disorders, such as thromboembolism and stroke.

SourceUniversity of Helsinki·JournalJournal of the American Heart Association·DateOct 25, 2021
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Antibiotics for appendicitis: CODA study findings finalized

The Comparing Outcomes of antibiotic Drugs and Appendectomy (CODA) trial found that nearly 7 in 10 patients with antibiotics avoided an appendectomy within three months. By four years, just under 50% had the surgery, suggesting both treatments are safe and valuable to patients differently based on unique symptoms and circumstances.

SourceUniversity of Washington School of Medicine/UW Medicine·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateOct 25, 2021

With proposed reauthorization of federal child abuse legislation, researchers make the case to better help substance-exposed infants

The proposed reauthorization of the Child Abuse Prevention and Treatment Act (CAPTA) has the potential to positively impact parents with substance use disorder and infants with substance exposure. The legislation needs improved implementation to achieve a public health approach, providing tailored guidance and support for states.

SourceUniversity of Connecticut·JournalNew England Journal of Medicine·TypeCommentary/editorial·DateOct 25, 2021

Emotional bullying, and sexual harassment and physical assault of women is widespread in the military

A study of 750 UK women veterans found that a high proportion had experienced military adversity, including sexual harassment (22.5%), emotional bullying (22.7%), and physical assault (3.3%). These experiences were linked to various mental health issues, such as post-traumatic stress disorder, anxiety, and depression.

SourceBMJ Group·JournalBMJ Military Health·TypeObservational study·DateOct 25, 2021
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Role of TGF-β/SOX9 axis in carcinogenesis using 3-dimensional in vitro and in vivo models

A study investigates the role of the TGF-β/SOX9 axis in promoting cancer migration and invasion in oral squamous cell carcinoma. The research found that CAF-induced TGF-β1 upregulates SOX9 expression, leading to increased cancer invasiveness and poor prognosis. The findings suggest a potential therapeutic target for developing novel tr...

SourceNiigata University·JournalTranslational Oncology·DateOct 24, 2021

Astrophysicists reveal largest-ever suite of universe simulations

The AbacusSummit simulations are the largest-ever produced, clocking in at nearly 60 trillion particles. They will help scientists extract information about the universe from upcoming surveys of the cosmos.

SourceSimons Foundation·JournalMonthly Notices of the Royal Astronomical Society·TypeComputational simulation/modeling·DateOct 24, 2021

COVID-19 risks explained with new tool

A new online calculator, CoRiCal, has been launched to help people make informed decisions about COVID-19 vaccines. The tool provides personalized risk calculations based on individual circumstances, such as age, sex, and community transmission.

SourceUniversity of Queensland·DateOct 24, 2021

A new approach to treating leukemia

Researchers at Bar-Ilan University have developed a novel treatment method that destroys cancer cells by targeting the cytoskeletal protein WASp, which is unique in active hematologic cancer cells. The approach uses small molecule compounds identified through AI and machine learning to inhibit proliferation and destroy malignant cells.

SourceBar-Ilan University·JournalNature Communications·DateOct 24, 2021

Virtual lung cancer screening is just as effective as in-person screening

A study by Temple University Hospital found that virtual single-visit screenings are just as effective as in-person screenings, especially for African American patients. The telemedicine approach helped preserve access to lung cancer screening during the pandemic, despite a 75% decline in overall screenings.

SourceAmerican College of Surgeons·DateOct 23, 2021
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.